Teradata Architecture for IT and Developers

Chapter 5 – Inside the AMPs Disk

“My father taught me to work; he did not teach me to love it.”

- Abraham Lincoln

Rows are Stored in Data Blocks which are stored in Cylinders

Above, you see many rows of the same table stored in a data block. You can have many data blocks stored in a cylinder and an AMP owns thousands of cylinders.

An AMP's rows are stored inside a Data Block in a Cylinder

This is a real data block that contains the overhead in front of each row. This data block among other data blocks will reside inside a cylinder. The rows ...